Journal ArticleDOI
Superior cycle stability of nitrogen-doped graphene nanosheets as anodes for lithium ion batteries
TLDR
In this paper, the specific capacity of nitrogen-doped graphene nanosheet (N-GNS) evidently increases with charge/discharge cycles, exhibiting superior electrochemical performance, accounting for higher cycling stability and larger specific capacity in comparison to a pristine graphene and a commercialized graphite anode.About:
This article is published in Electrochemistry Communications.The article was published on 2011-08-01. It has received 303 citations till now. The article focuses on the topics: Graphene foam & Nanosheet.read more
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Controllable Synthesis of Copper Oxide/Carbon Core/Shell Nanowire Arrays and Their Application for Electrochemical Energy Storage.
TL;DR: Self-supported CuO/C core/shell nanowire arrays prepared by the combination of electro-deposition and chemical vapor deposition methods play positive roles in the enhancement of Li ion storage due to fast ion/electron transfer path, good strain accommodation and sufficient contact between electrolyte and active materials.
Journal ArticleDOI
Nitrogen-doping of graphene enhancing sodium storage of SnO2 anode
TL;DR: In this article, the authors designed SnO2/nitrogen-doped graphene (SnO 2/NG) composites for SIBs with the optimal nitrogen-doping level, which exhibited improved reversible capacities and rate capabilities over undoped anodes.
Journal ArticleDOI
Energy storage capabilities of nitrogen-enriched pyropolymer nanoparticles fabricated through rapid pyrolysis
Young Soo Yun,Young Soo Yun,Yu Hyun Kim,Min Yeong Song,Na Rae Kim,Kyojin Ku,Ji Su An,Kisuk Kang,Hyoung Jin Choi,Hyoung-Joon Jin +9 more
TL;DR: In this paper, nitrogen-enriched pyropolymer nanoparticles (N-PNs-50) are fabricated from polyaniline nanotubes through rapid pyrolysis at 50°Cmin −1.
Journal ArticleDOI
Notable improvement of capacitive performance of highly nanoporous carbon materials simply by a redox additive electrolyte of p-nitroaniline
TL;DR: In this paper, a novel redox active additive of p -nitroaniline (PNA) was used to improve the capacitance of supercapacitors by the quick self-discharge redox reaction of H + /e −.
References
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Journal ArticleDOI
Electric Field Effect in Atomically Thin Carbon Films
Kostya S. Novoselov,Andre K. Geim,Sergey V. Morozov,Da Jiang,Y. Zhang,S. V. Dubonos,Irina V. Grigorieva,A. A. Firsov +7 more
TL;DR: Monocrystalline graphitic films are found to be a two-dimensional semimetal with a tiny overlap between valence and conductance bands and they exhibit a strong ambipolar electric field effect.
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The rise of graphene
TL;DR: Owing to its unusual electronic spectrum, graphene has led to the emergence of a new paradigm of 'relativistic' condensed-matter physics, where quantum relativistic phenomena can now be mimicked and tested in table-top experiments.
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Two-dimensional atomic crystals
Kostya S. Novoselov,Da Jiang,Fred Schedin,Timothy J. Booth,V. V. Khotkevich,Sergey V. Morozov,Andre K. Geim +6 more
TL;DR: By using micromechanical cleavage, a variety of 2D crystals including single layers of boron nitride, graphite, several dichalcogenides, and complex oxides are prepared and studied.
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Insertion Electrode Materials for Rechargeable Lithium Batteries
TL;DR: In this article, the performance and safety of rechargeable batteries depend strongly on the materials used and future trends, such as alternative materials for achieving higher specific charges are discussed, and a review of the insertion materials suitable for negative and positive insertion electrodes is presented.